Home / 530,355,808,108.10-795,533,711,263.20-127,439,278,397.16

Finding the Fourth Proportional to 530,355,808,108.10, 795,533,711,263.20 and 127,439,278,397.16

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Solution

The fourth proportional to 530,355,808,108.10, 795,533,711,263.20 and 127,439,278,397.16 is: 191,158,917,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,355,808,108.10 : 795,533,711,263.20 = 127,439,278,397.16 : x
  2. Step 2: Convert to fraction form
    530,355,808,108.10/795,533,711,263.20 = 127,439,278,397.16/x
  3. Step 3: Cross multiply
    530,355,808,108.10x = 795,533,711,263.20 × 127,439,278,397.16
  4. Step 4: Simplify right side
    530,355,808,108.10x = 101,382,242,103,996,845,129,728
  5. Step 5: Solve for x
    x = 101,382,242,103,996,845,129,728/530,355,808,108.10
  6. Step 6: Final answer
    x = 191,158,917,379.73

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.